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My plug chop


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Does this look ok to you after a plug chop ...runnin 158 mains...middle clip 1500ft+, 70+ temps and my mods in my sig...

 

http://i27.photobucket.com/albums/c164/sav...158mains002.jpg

 

http://i27.photobucket.com/albums/c164/sav...158mains001.jpg

 

:cool:

 

It runs great like that and i ran it hard all day and it seemed fine.

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God dammit... i even looked at them after i posted it ...hummm ill just post the pics not the links. :cool:

 

 

Afteranewcoilrunnin158mains001.jpg

 

Afteranewcoilrunnin158mains002.jpg

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Looks lean, how long did you run the bike with those plugs?

 

 

About 3 hours of hard riding.

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Its not realy a plug chop unless you cut the threads...

 

I know that man...so a plug "check"...haha!

 

It seemed fine like this so...

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You can't dial your jets in without doin a good plug chop. Warm the bike up, put in new plugs, run it WOT 1st thru 6th (or 5th if thats as high as you usually go). Then shut her down and coast to a stop. Pull those plugs and put old ones back in to get back to your truck. Chop the threads off and look for ~2 mm tan ring around the base and then your dialed. Any plug that you keep running will turn tan and even black eventually as long as you are not extremely lean.

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You can't dial your jets in without doin a good plug chop. Warm the bike up, put in new plugs, run it WOT 1st thru 6th (or 5th if thats as high as you usually go). Then shut her down and coast to a stop. Pull those plugs and put old ones back in to get back to your truck. Chop the threads off and look for ~2 mm tan ring around the base and then your dialed. Any plug that you keep running will turn tan and even black eventually as long as you are not extremely lean.

 

Ok thats what i do basiclly but how do they look just from the pics man? :blush:

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^^^^^I agree^^^^^^^

 

You may be getting a lot of fuel on the bottom turning the plugs tan, but on the top end with the mains you might be lean. As long as your not cutting out at WOT then you are probably OK and not lean. But if you want to dial them in real good just do a quick chop, takes 5 minutes if you have a vise and a hacksaw.

Edited by bonbon
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I would say it looks a tad on the lean side. When I do my plug checks/chops I usually cut them because you get the most accurate reading like that. Id rather cut the threads and make sure im not running lean better to be safe than sorry.

 

What you need to do is warm the bike up.

Pull the plugs and put brand new ones in.

Go throught 1-6 and hold it WOT for a few seconds in 5th and 6th.

Then pull the clutch,Kill the bike, and coast to a stop.

Get back to the shop and cut the threads off.

 

Then after that post the pics up.

 

This will give you a more accurate idea of where you jetting is at.

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